ethirteen Helix Race 12-Speed 9-52T Cassette

ethirteen Helix Race 12-Speed 9-52T Cassette Info

The Helix Race 12-Speed 9-52T Cassette is built for riders who want maximum gear range without compromise. With a 578% spread and ethirteen's proven two-piece architecture, it handles steep climbs and fast descents equally well—and stays easy to service.

Key Features

• 9-52T range for unmatched climbing capability on 12-speed systems
• Two-piece forged/machined construction: aluminum upper cluster, steel lower section
• 9T small cog enables smaller chainrings for improved clearance and weight savings
• Modular design—replace worn sections separately to reduce maintenance cost
• XD driver compatible (Hope XD drivers require shim kit)
• Works with SRAM, Shimano, and TRP 12-speed shifters and derailleurs
• Tested and proven on both traditional and e-bike drivetrains
• Available in multiple anodized and PVD finishes

If you're building a 1x setup and need the flexibility to tackle variable terrain without constantly swapping cassettes, the Helix Race delivers real range and real durability. The modular design means you can replace individual clusters as they wear, keeping your drivetrain fresh without a complete cassette swap. It's a premium upgrade that pays for itself over time.